.nav-header {
                      

                        font-size: 1.5rem;
                   

                    }
                   

                    
                   

                    .row {
                   

                        margin-bottom: 0;
                   

                    }
                   

                    
                   

                    #sourceImage,
                   

                    .image-controls,
                   

                    .image-save,
                   

                    .preset-filters {
                   

                        display: none;
                   

                    }
                   

                    
                   

                    .image-preview {
                   

                        display: flex;
                   

                        justify-content: center;
                   

                        margin-top: 20px;
                   

                    }
                   

                    
                   

                    #canvas {
                   

                        max-height: 420px;
                   

                        object-fit: contain;
                   

                    }